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Finding the Fourth Proportional to 3,722.97, 5,582.01 and 2,079.69

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Solution

The fourth proportional to 3,722.97, 5,582.01 and 2,079.69 is: 3,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.97 : 5,582.01 = 2,079.69 : x
  2. Step 2: Convert to fraction form
    3,722.97/5,582.01 = 2,079.69/x
  3. Step 3: Cross multiply
    3,722.97x = 5,582.01 × 2,079.69
  4. Step 4: Simplify right side
    3,722.97x = 11,608,850.38
  5. Step 5: Solve for x
    x = 11,608,850.38/3,722.97
  6. Step 6: Final answer
    x = 3,118.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.